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a proportional relationship is represented by the equation 2x =18y. if x is proportional to y what is the constant of proportionality?
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a proportional relationship is represented by the equation 2x =18y. if x is proportional to y what is the constant of proportionality?

User Skywall
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2x=18y\\ x=9y \Rightarrow \boxed{k=9}
User Dimir
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4 votes
2x = 18y

Divide 2 to both sides:

x = 9y

So the constant of proportionality is 9.
User Unigeek
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8.0k points
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